Company lists · Data verified August 2026

Top 25 Api integration platforms based in the United Kingdom

Name: Api integration platforms based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 98 companies tracked

There are 98 api integration platforms headquartered in the United Kingdom (RevenueBase, August 2026). RevenueBase tracks 3,327 professional contacts across them, including 1,601 with verified work emails and 763 with mobile numbers. London is the largest hub.

This list covers api integration platforms headquartered in the United Kingdom, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

98Companies

3,327Contacts tracked

1,601Verified emails

763Mobile numbers

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The 25 largest api integration platforms based in the United Kingdom

Ranked by team size

Top 25 of 98 api integration platforms based in the United Kingdom, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	BOOMI	Exeter	1,001-5,000	2,496	1,311
2	TYK	London	51-200	124	70
3	Infoteck Solutions	London	51-200	71	15
4	Patchworks	London	51-200	66	29
5	Ayphen Technologies	Liverpool	11-50	43	9
6	Imobisoft	Coventry	11-50	42	20
7	Codeless Platforms	Poole	51-200	35	7
8	Oval Business Solutions	Wootton Bassett	11-50	32	10
9	Turbosoft Limited	London	11-50	27	5
10	ZYNK	Newcastle Upon Tyne	11-50	25	13
11	Metamoji	Horton	51-200	20	8
12	Ilexius Gmbh	Fetcham Park Fetcham	11-50	14	12
13	Cambridge Kinetics	Cambridge	11-50	14	10
14	Cloudorizon	London	11-50	12	11
15	Adaptris	Sutton	51-200	11	1
16	Anthill	Leeds	11-50	10	10
17	Ainsys	London	11-50	9	1
18	Zigaflow	London	1-10	7	5
19	Cosoft	Lewes	1-10	7	3
20	Rare Earth Digital	Nantwich	11-50	6	5
21	Intouch Business UK LLP	Sedgefield	11-50	6	4
22	Sharelogic	Reading	1-10	6	2
23	Besyncly	Glasgow	51-200	5	2
24	Orchestr8 Digital LTD	Altrincham	11-50	5	2
25	Recursyv	Reading	1-10	4	4

Showing 25 of 98 api integration platforms based in the United Kingdom

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Api integration platforms based in the United Kingdom at a glance

As of Aug 28, 2026

1-10Median size (employees)

LondonLargest hub · 35 HQs

763Contacts with mobile numbers

5Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

1,001-5,000

Api integration platforms by metro

Metro	Companies
Api integration platforms in London	35
Api integration platforms in Leeds	4
Api integration platforms in Reading	3
Api integration platforms in Exeter	3
Api integration platforms in Coventry	2
Api integration platforms in Manchester	2
Api integration platforms in Bristol	2

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “api integration platforms”, with match quality audited by blind human judging, and headquartered in the United Kingdom.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Contact records re-verify on a rolling cadence; 5 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many api integration platforms are there based in the United Kingdom?

There are 98 api integration platforms headquartered in the United Kingdom as of August 2026 (RevenueBase).

What is the largest company on this list?

BOOMI, headquartered in Exeter, tops this list with the largest team on record.

Which city has the most api integration platforms?

London leads with 35 headquartered companies, followed by Leeds (4) and Reading (3).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,601 verified decision-maker contacts tracked across these 98 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph, the same data that powers RevenueBase's B2B data products and the free research portal.